Coordination Compounds · Chemistry · AP EAPCET
MCQ (Single Correct Answer)
Arrange the following in the increasing order of their magnetic moments
I. $\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-}$
II. $\left[\mathrm{Mn} \mathrm{Cl}_6\right]^{3-}$
III. $\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$
IV. $\left[\mathrm{FeF}_6\right]^{3-}$
Match the complexes in List-I with their hybridisation in list-II.
| List-I (Complex) |
List-II (Hybridisation) |
||
|---|---|---|---|
| I | $$ \mathrm{Ni}(C O)_4 $$ |
A | $$ s p^3 d^2 $$ |
| II | $$ \left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-} $$ |
B | $$ d^2 s p^3 $$ |
| III | $$ \left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+} $$ |
C | $$ d s p^2 $$ |
| IV | $$ \left[\mathrm{CoF}_6\right]^{3-} $$ |
D | $$ s p^3 $$ |
Improve silver ore $+\mathrm{CN}^{-}+\mathrm{H}_2 \mathrm{O} \xrightarrow{\mathrm{O}_2}[\mathrm{X}]^{-}+\mathrm{OH}^{-}$
$$ [X]^{-}+\mathrm{Zn} \longrightarrow[Y]^{2-}+\mathrm{Ag} \text { (pure) } $$
The co-ordination numbers of the metals in $[X]$. [ $Y$ ] are respectively
How many of the following ligands are stronger than
$$ \begin{aligned} & \mathrm{H}_2 \mathrm{O} \text { ? } \\ & \mathrm{S}^{2-}, \mathrm{Br}^{-}, \mathrm{C}_2 \mathrm{O}_4^{2-}, \mathrm{CN}^{-} \text {, en, } \mathrm{NH}_3, \mathrm{CO}, \mathrm{OH}^{-} \\ & \begin{array}{ll} \text { } & \text { } \end{array} \end{aligned} $$
Arrange the following in the increasing order of number of unpaired electrons present in the central metal ion
I. $\left[\mathrm{MnCl}_6\right]^{3-}$
II. $\left[\mathrm{FeF}_6\right]^{3-}$
III. $\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-}$
IV. $\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$
An element '$$X$$' with the atomic number 13 forms a complex of the type $$[\mathrm{XCl}(\mathrm{H}_2 \mathrm{O})_5]^{2+}$$. The covalency and oxidation state of $$X$$ in it are respectively
Identify the species, which does not exist?
The homoleptic complex in the following is
The crystal field theory is successful in explaining which of the following?
I. Ligands as point charges.
II. Formation and structures of complexes.
III. Colour.
IV. Magnetic properties.
V. Covalent character of metal-ligand bonding.
Which of the following is correct related to the colours of $$\mathrm{TiCl}_3(X)$$ and $$\left[\mathrm{Ti}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_3(Y)$$ ?
$$\mathrm{AlF}_3$$ is soluble in HF only in the presence of KF due to formation of
Potassium cyanide is made alkaline with NaOH and boiled with thiosulphate ions. The solution is cooled and acidified with HCl and this solution with iron (III) chloride produces
Which of the following complexes formed by nickel is tetrahedral and paramagnetic?
What is coordination number of the metal in $$\mathrm{{[Co{(en)_2}C{l_2}]^{2 + }}}$$ ?